Ruler



FIG. 1 is a top plan view of a first embodiment of a ruler showing my new design;

FIG. 2 is a right side elevational view with the left side being a mirror image thereof;

FIG. 3 is a front elevational view with the rear elevational view being a mirror image thereof;

FIG. 4 is a top plan view of a second embodiment of a ruler showing my new design; and,

FIG. 5 is a top plan view of a third embodiment of a ruler showing my new design.

The undisclosed bottom plan view is plain and unornamented. The broken line showing of the distances, examples, conversions, and equivalents FIGS. 1, 4 and 5 is for illustrative purposes only, merely disclosing the types of notations which can be used, and forms no part of the claimed design. The broken line showing of the name of the ruler in FIGS. 1, 4 and 5 is for illustrative purposes only and forms no part of the claimed design.

All elevational view of FIGS. 4 and 5 being identical to those now shown in FIGS. 2 and 3. 

The ornamental design for a ruler, as shown and described. 